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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 r <br /> McCAMPBELL ANALYTICAL INC. Telephone-.925-798-1620 Fax:925-798-1622 <br /> bttW-, vww.rrtc p eb ll�com E-mail:main@mccampbell_com <br /> • <br />' Advanced GcoEnvironmental Client Project ID: Geweke Date Sampled:04/28/00 <br /> Date Received: 09/29/00 <br /> 4005 North Wilson Way <br />' Stockton, CA 95205 Client Contact:Brian Millman Date Extracted: 09/29/00 <br /> Client P.O: Date Analyzed: 09/29/00 <br /> 1 Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602;California RWQCB(SF Bay Region)method GCFID(5030) <br /> Etltylben- Xylenes %Recovery <br /> Lab ID Client ID Matrix TPH{g)} MTBE Benzene Toluene zene Xy Surrogate <br /> 48969 MW-6109- W ND ND ND ND ND ND 100 <br /> 27-00 <br /> 48970 MW-7104- W ND ND ND ND ND ND 99 <br /> 27-00 <br /> 4$971 MW-8109- W 4300,b,j ND 3.9 10 110 150 100 <br />' 27-OD <br /> 48972 MW-9/09- W 3000,b,j ND 4.3 ll 100 19 99 <br /> 27-00 <br />' <br /> 48973 M 09- W 100,b ND ND 1.2 ND ND 98 27-D7-0 o <br /> 48974 MW-12/09- W ND ND ND ND ND ND 9$ <br /> 27-00 <br /> 48975 MW-14109- W 690,a ND 3.7 6.6 0.80 2.9 --- <br /> lie 27-00 <br /> ' Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;NU <br /> means not detected above S 1 0 mg/kg 0.05 0.005 1 0.005 0.005 0.005 <br /> ' the reporting limit <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> ' *cluttered chromatogram;sample peak eoelutes with surrogate peak <br /> `The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br /> interpretation: a) unmodified or weakly modified gasoline is significant; b) heavier gasoline range compounds are signi6cant(aged' <br /> ' gasoline?); c) lighter gasoline range compounds (the most mobile fraction) are significant; d) gasoline range compounds having broad <br /> chromatographic peaks are significant;biologically altered gasoline?;e)TPS pattern that does not appear to be derived from gasoline M;0 <br /> . one to a few isolated peaks present;g)strongly aged gasoline or diesel range compounds are significant; h)lighter than water immiscible <br /> sheen is present;i)liquid sample that contains greater than—5 vol.%sediment;j)no recognizable pattern. <br /> ' Edward Hamilton,Lab Director <br /> DHS Certification No. 1644 '�- — <br /> 1 <br />